#include <iostream>
using std::cin;
using std::cout;
using std::endl;
int main() {
    int first;
    int second;
    char op;
    cin>>first>>op>>second;
    if(op=='+'){
    cout << "=" << first+second << endl;
    }
    else if(op=='-'){
        cout<<"="<<first-second<<endl;
    }
    else if(op=='*')
    {
        cout<<"="<<first*second<<endl;
    }
    else if(op=='/'){
        cout<<"="<<first/second<<endl;
    }
    else {
        cout<<"="<<first%second<<endl;
    }
    return 0;
}